Home / 76,384.18-114,554.40-26,451.33

Finding the Fourth Proportional to 76,384.18, 114,554.40 and 26,451.33

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Solution

The fourth proportional to 76,384.18, 114,554.40 and 26,451.33 is: 39,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,384.18 : 114,554.40 = 26,451.33 : x
  2. Step 2: Convert to fraction form
    76,384.18/114,554.40 = 26,451.33/x
  3. Step 3: Cross multiply
    76,384.18x = 114,554.40 × 26,451.33
  4. Step 4: Simplify right side
    76,384.18x = 3,030,116,237.35
  5. Step 5: Solve for x
    x = 3,030,116,237.35/76,384.18
  6. Step 6: Final answer
    x = 39,669.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.